Microsoft Windows [Version 6.0.6001](C) Copyright 2006 Microsoft Corp. c:\windows>netsh ras ip add range ?
add range [from = ] from [to = ] to
Adds a range to the static IP address pool that the Remote Access
server uses.
from - the starting IP address in the range in the form 'x.x.x.x'
to - the ending IP address in the range in the form 'x.x.x.x'